1. Effect of Characteristics of Peer Rater on Validity of Peer Assessment in Massive Open Online Courses Open Access Author: Guo, Xiuyan Title: Effect of Characteristics of Peer Rater on Validity of Peer Assessment in Massive Open Online Courses Graduate Program: Educational Psychology Keywords: Peer assessmentMOOCvaliditycharacteristics of peer rater File: Download Xiuyan_Guos_master_thesis-final_version.pdf Committee Members: Hoi Kin Suen, Thesis Advisor/Co-Advisor